This standard specifies the structure and dimensions of an adapter sleeve consisting of an adapter bushing, a locking nut and a locking washer or locking card. This standard also specifies the technical requirements for the structure, dimensions and tolerances of adapter bushings used for adapter sleeves. This standard applies to the design, production, inspection and user acceptance of rolling bearing adapter sleeves and adapter bushings whose size series conforms to GB/T 273.3.
JB/T 7919.2-1999 history
1999JB/T 7919.2-1999 Rolling bearings.Accessories.Adapter sleeves